EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Algebraic Expressions
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following terms can be subtracted from
4
m
2
n
2
l
2
?
(i)
(
−
3
l
m
2
n
2
)
(ii)
(
−
3
l
2
m
n
2
)
(iii)
3
l
2
m
2
n
(iv)
(
−
4
l
2
m
2
n
2
)
(v)
(
−
6
l
m
n
)
Question
2
2.
The value of
1
2
s
5
−
1
2
s
5
−
3
4
s
5
is
(i)
(
−
1
2
s
5
)
(ii)
(
−
5
4
s
5
)
(iii)
(
−
3
4
s
5
)
(iv)
(
−
1
4
s
5
)
(v)
(
−
3
2
s
5
)
Question
3
3.
The value of
1
4
v
w
−
3
4
v
w
is
(i)
1
2
v
w
(ii)
(
−
1
2
v
w
)
(iii)
(
−
3
2
v
w
)
(iv)
(
−
v
w
)
(v)
(
−
1
4
v
w
)
Question
4
4.
Which of the following is a factor of
29
x
4
y
2
z
?
(i)
29
x
2
y
z
2
(ii)
x
5
y
(iii)
29
x
2
y
3
(iv)
29
x
2
y
(v)
29
x
4
y
z
2
Question
5
5.
The value of the polynomial
2
at
s
=
5
,
t
=
(-1)
,
u
=
2
is
(i)
3
(ii)
5
(iii)
2
(iv)
-1
(v)
1
Question
6
6.
The value of
(
−
4
s
5
+
9
s
+
6
)
+
(
6
s
5
+
4
s
4
−
3
s
)
is
(i)
(
4
s
5
+
4
s
4
+
6
s
+
6
)
(ii)
(
3
s
5
+
4
s
4
+
6
s
+
6
)
(iii)
(
2
s
5
+
4
s
4
+
6
s
+
6
)
(iv)
(
4
s
4
+
6
s
+
6
)
(v)
(
s
5
+
4
s
4
+
6
s
+
6
)
Question
7
7.
The value of
1
4
t
4
+
1
2
t
4
+
3
5
t
4
+
1
2
t
4
is
(i)
39
20
t
4
(ii)
39
22
t
4
(iii)
37
20
t
4
(iv)
7
4
t
4
(v)
35
18
t
4
Question
8
8.
Which of the following terms can be added to
7
j
i
k
?
(i)
(
−
5
i
2
j
2
k
2
)
(ii)
(
−
5
i
j
2
k
2
)
(iii)
(
−
3
i
2
j
k
)
(iv)
4
i
j
k
2
(v)
9
i
j
k
Question
9
9.
The value of
(
−
7
p
2
r
2
−
4
p
q
r
2
−
6
q
)
+
(
2
p
+
2
q
2
r
−
7
q
r
2
)
+
(
3
p
r
−
9
q
2
r
−
6
r
2
)
is
(i)
(
−
7
p
2
r
2
−
7
p
q
r
2
+
3
p
r
+
2
p
−
7
q
2
r
−
7
q
r
2
−
6
q
−
6
r
2
)
(ii)
(
−
8
p
2
r
2
−
4
p
q
r
2
+
3
p
r
+
2
p
−
7
q
2
r
−
7
q
r
2
−
6
q
−
6
r
2
)
(iii)
(
−
7
p
2
r
2
−
4
p
q
r
2
+
3
p
r
+
2
p
−
7
q
2
r
−
7
q
r
2
−
6
q
−
6
r
2
)
(iv)
(
−
6
p
2
r
2
−
4
p
q
r
2
+
3
p
r
+
2
p
−
7
q
2
r
−
7
q
r
2
−
6
q
−
6
r
2
)
(v)
(
−
7
p
2
r
2
−
p
q
r
2
+
3
p
r
+
2
p
−
7
q
2
r
−
7
q
r
2
−
6
q
−
6
r
2
)
Question
10
10.
Which of the following terms can be subtracted from
1
?
(i)
(
−
5
f
)
(ii)
(
−
6
f
2
)
(iii)
6
f
3
(iv)
2
(v)
4
f
4
Question
11
11.
Which of the following terms can be subtracted from
(
−
6
j
2
k
2
i
)
?
(i)
5
i
j
k
(ii)
(
−
3
i
2
j
2
k
2
)
(iii)
(
−
5
i
2
j
2
k
)
(iv)
6
i
j
k
2
(v)
(
−
5
i
j
2
k
2
)
Question
12
12.
The value of
4
5
l
3
m
3
n
3
+
1
2
l
3
m
3
n
3
+
1
2
l
3
m
3
n
3
+
2
3
l
3
m
3
n
3
is
(i)
7
3
l
3
m
3
n
3
(ii)
33
13
l
3
m
3
n
3
(iii)
13
5
l
3
m
3
n
3
(iv)
41
17
l
3
m
3
n
3
(v)
37
15
l
3
m
3
n
3
Question
13
13.
The value of
(
−
p
4
−
5
p
3
−
9
)
+
(
3
p
4
+
4
p
2
+
6
p
)
+
(
−
3
p
5
−
p
4
−
6
)
+
(
−
8
p
5
+
5
p
3
−
8
)
is
(i)
(
−
10
p
5
+
p
4
+
4
p
2
+
6
p
−
23
)
(ii)
(
−
12
p
5
+
p
4
+
4
p
2
+
6
p
−
23
)
(iii)
(
−
14
p
5
+
p
4
+
4
p
2
+
6
p
−
23
)
(iv)
(
−
11
p
5
+
p
4
+
4
p
2
+
6
p
−
23
)
(v)
(
−
8
p
5
+
p
4
+
4
p
2
+
6
p
−
23
)
Question
14
14.
The sum of the expressions
(
7
a
−
3
)
,
(
a
+
9
)
,
(
−
5
a
+
2
)
,
(
−
2
a
−
5
)
,
(
−
6
a
+
2
)
is
(i)
(
−
5
a
+
2
)
(ii)
(
−
5
a
+
7
)
(iii)
(
−
5
a
+
5
)
(iv)
(
−
4
a
+
5
)
(v)
(
−
6
a
+
5
)
Question
15
15.
The value of
(
−
4
s
5
+
6
s
−
9
)
−
(
−
3
s
5
+
4
s
4
−
3
s
2
)
is
(i)
(
−
4
s
5
−
4
s
4
+
3
s
2
+
6
s
−
9
)
(ii)
(
−
2
s
5
−
4
s
4
+
3
s
2
+
6
s
−
9
)
(iii)
(
−
4
s
4
+
3
s
2
+
6
s
−
9
)
(iv)
(
s
5
−
4
s
4
+
3
s
2
+
6
s
−
9
)
(v)
(
−
s
5
−
4
s
4
+
3
s
2
+
6
s
−
9
)
Question
16
16.
The value of
(
−
8
m
3
n
3
o
3
)
+
2
m
3
n
3
o
3
+
(
−
4
m
3
n
3
o
3
)
+
(
−
8
m
3
n
3
o
3
)
is
(i)
(
−
19
m
3
n
3
o
3
)
(ii)
(
−
21
m
3
n
3
o
3
)
(iii)
(
−
18
m
3
n
3
o
3
)
(iv)
(
−
17
m
3
n
3
o
3
)
(v)
(
−
16
m
3
n
3
o
3
)
Question
17
17.
Which of the following algebraic expressions is a monomial?
(i)
(
−
7
g
3
i
+
4
g
2
h
3
−
8
g
2
h
2
i
3
−
h
)
(ii)
(
g
2
h
2
i
2
+
5
g
2
h
+
h
i
)
(iii)
(
−
5
g
3
h
3
i
)
(iv)
(
−
g
3
h
2
i
2
+
5
g
3
h
i
3
)
(v)
(
2
g
2
h
−
h
2
i
3
−
h
i
2
−
2
h
)
Question
18
18.
The value of
(
v
5
−
4
v
3
−
5
)
−
(
3
v
5
+
4
v
2
+
2
v
)
−
(
6
v
4
−
7
v
2
−
2
v
)
is
(i)
(
−
4
v
5
−
6
v
4
−
4
v
3
+
3
v
2
−
5
)
(ii)
(
−
6
v
4
−
4
v
3
+
3
v
2
−
5
)
(iii)
(
−
v
5
−
6
v
4
−
4
v
3
+
3
v
2
−
5
)
(iv)
(
−
2
v
5
−
6
v
4
−
4
v
3
+
3
v
2
−
5
)
(v)
(
−
3
v
5
−
6
v
4
−
4
v
3
+
3
v
2
−
5
)
Question
19
19.
The value of
(
−
m
2
)
+
(
−
8
m
2
)
+
(
−
m
2
)
is
(i)
(
−
11
m
2
)
(ii)
(
−
13
m
2
)
(iii)
(
−
10
m
2
)
(iv)
(
−
9
m
2
)
(v)
(
−
8
m
2
)
Question
20
20.
Which of the following algebraic expressions is a zero polynomial?
(i)
6
n
(ii)
(
−
5
n
4
+
7
n
2
−
7
n
)
(iii)
(
−
3
n
4
+
8
)
(iv)
(
2
n
4
+
8
n
3
−
2
n
2
+
8
n
−
1
)
(v)
0
Question
21
21.
Which of the following is a like term of
(
−
f
)
?
(i)
(
−
8
e
f
)
(ii)
(
−
5
d
e
f
)
(iii)
(
−
8
f
)
(iv)
1
(v)
(
−
d
)
Question
22
22.
The value of
3
w
+
(
−
4
w
)
+
7
w
+
6
w
is
(i)
11
w
(ii)
12
w
(iii)
13
w
(iv)
10
w
(v)
14
w
Question
23
23.
The value of
5
i
+
(
−
3
i
)
is
(i)
3
i
(ii)
i
(iii)
2
i
(iv)
4
i
(v)
0
Question
24
24.
The value of the polynomial
(
−
5
o
p
q
+
5
o
p
+
9
o
q
)
at
o
=
1
,
p
=
4
,
q
=
(-2)
is
(i)
40
(ii)
44
(iii)
42
(iv)
43
(v)
41
Question
25
25.
The value of
(
−
8
q
2
)
−
(
−
3
q
2
)
−
(
−
q
2
)
is
(i)
(
−
4
q
2
)
(ii)
(
−
5
q
2
)
(iii)
(
−
7
q
2
)
(iv)
(
−
q
2
)
(v)
(
−
3
q
2
)
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (iv)
5) (iii)
6) (iii)
7) (iii)
8) (v)
9) (iii)
10) (iv)
11) (v)
12) (v)
13) (iv)
14) (iii)
15) (v)
16) (iii)
17) (iii)
18) (iv)
19) (iii)
20) (v)
21) (iii)
22) (ii)
23) (iii)
24) (iii)
25) (i)
